Kipruto, Mitei Joseph, Onyango Daniel Oduor, and Francis Sang. 2016. “The Effect of Head Teachers’ Involvement of Teachers on Pupils’ Academic Performance in Primary Schools in Moiben Sub-County, Kenya”. The International Journal of Humanities & Social Studies 4 (9). https://internationaljournalcorner.com/index.php/theijhss/article/view/126921.